(19)

(11)

EP 3 228 135 A1

(12)

(43) Date of publication: 11.10.2017 Bulletin 2017/41 (21) Application number: 14907260.5 (22) Date of filing: 05.12.2014

(51) International Patent Classification (IPC):  H04W 72/04(2009.01) (86) International application number: PCT/CN2014/093126 (87) International publication number: WO 2016/086408 (09.06.2016 Gazette 2016/23)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventors: GARCIA, Virgile Beijing 100102 (CN) LIU, Jinhua Beijing 100102 (CN) (74) Representative: White, Duncan Rohan  Marks & Clerk LLP Fletcher House (2nd Floor) Heatley Road The Oxford Science Park Oxford OX4 4GE Oxford OX4 4GE (GB)